Home / 9,515,203.05-13,130,993.19-5,164,289.40

Finding the Fourth Proportional to 9,515,203.05, 13,130,993.19 and 5,164,289.40

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Solution

The fourth proportional to 9,515,203.05, 13,130,993.19 and 5,164,289.40 is: 7,126,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,203.05 : 13,130,993.19 = 5,164,289.40 : x
  2. Step 2: Convert to fraction form
    9,515,203.05/13,130,993.19 = 5,164,289.40/x
  3. Step 3: Cross multiply
    9,515,203.05x = 13,130,993.19 × 5,164,289.40
  4. Step 4: Simplify right side
    9,515,203.05x = 67,812,248,942,589.19
  5. Step 5: Solve for x
    x = 67,812,248,942,589.19/9,515,203.05
  6. Step 6: Final answer
    x = 7,126,726.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.